Kern-Schale-Partikel als Trübungsmittel
EP4729164
22. April 2026
Anmelder: Covestro (Netherlands) B.V. 🇳🇱
Details
- Veröffentlichungs-Nr.
- EP4729164
- Anmeldetag
- 17. Oktober 2024
- Veröffentlichung
- 22. April 2026
- Rechtsraum
- EP
- IPC
- (DU PONT et al.) [Y] 13
Abstract
The present invention relates to a dispersion comprisingA) an opacifier comprising core-shell particles having a shell and a core,B) a solvent,andC) a binder,whereina) the shell comprises at least 90 wt.-% silica, based on the total weight of the shell, and constitutes for 50 to <100 wt.-% of the weight of the core-shell particles,b) the core comprises lysine and latex and constitutes for >0 to 50 wt.-% of the weight of the core-shell particles,c) the number-average size of the core-shell particles is from 200 to 500 nm.
Anmelder
- Firma
- Covestro (Netherlands) B.V.
- Land
- 🇳🇱 Niederlande